Home / 3,293.59-4,547.60-2,115.31

Finding the Fourth Proportional to 3,293.59, 4,547.60 and 2,115.31

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Solution

The fourth proportional to 3,293.59, 4,547.60 and 2,115.31 is: 2,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.59 : 4,547.60 = 2,115.31 : x
  2. Step 2: Convert to fraction form
    3,293.59/4,547.60 = 2,115.31/x
  3. Step 3: Cross multiply
    3,293.59x = 4,547.60 × 2,115.31
  4. Step 4: Simplify right side
    3,293.59x = 9,619,583.76
  5. Step 5: Solve for x
    x = 9,619,583.76/3,293.59
  6. Step 6: Final answer
    x = 2,920.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.